Drain channel



FIG. 1 is a perspective view of the invention;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a bottom plan view of FIG. 1; and,

FIG. 4 is a front side view of FIG. 1, a rear side view being a mirror image thereof.

The broken lines, shown in the drawings, depict portions of the drain channel and form no part of the claimed design. 

CLAIM The ornamental design for a drain channel, as shown and described. 